If you have forgotten what a letter is, simply because you've been busy tweeting or messaging your friends on Facebook, the Department of Posts is going to give you a refresher course. They kicked off their celebrations on World Post Day (October 9) with an exhibition of letters. Drop in to check out a showcase of over 500 rare and valuable letters, most of them sourced from private collections.

On: Today and tomorrow, 10 am to 7 pm
At: Unity Hall, Ravindra Natya Mandir, Prabhadevi.
Call: 24312956